Package edu.harvard.hul.ois.jhove

Class Checksum

java.lang.Object

edu.harvard.hul.ois.jhove.Checksum

public class Checksum
extends Object

This class encapsulates the result of calculations which provide a greater or lesser degree of confirmation of the integrity of a digital object's content, including checksums, CRC's, message digests, etc.

See Also:

• ChecksumType
• Checksummer

Constructor Summary

Constructors

Constructor	Description
Checksum(String value, ChecksumType type)	Creates a Checksum with a given value and type

Method Summary

Modifier and Type	Method	Description
ChecksumType	getType()	Returns this Checksum's type
String	getValue()	Returns this Checksum's value
void	setType(ChecksumType type)	Sets the type of this Checksum
void	setValue(String value)	Sets the value of this Checksum
static byte	unsignedByteToByte(int value)	Maps unsigned byte value (0 to 256) to signed byte value (-128 to 127).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Checksum

public Checksum(String value,
 ChecksumType type)

Creates a Checksum with a given value and type

Method Details

getType

public ChecksumType getType()

Returns this Checksum's type

getValue

public String getValue()

Returns this Checksum's value

setType

public void setType(ChecksumType type)

Sets the type of this Checksum

setValue

public void setValue(String value)

Sets the value of this Checksum

unsignedByteToByte

public static byte unsignedByteToByte(int value)

Maps unsigned byte value (0 to 256) to signed byte value (-128 to 127).